DE3265020D1 - Apparatus for enciphered digital information transmission - Google Patents

Apparatus for enciphered digital information transmission

Info

Publication number
DE3265020D1
DE3265020D1 DE8282103059T DE3265020T DE3265020D1 DE 3265020 D1 DE3265020 D1 DE 3265020D1 DE 8282103059 T DE8282103059 T DE 8282103059T DE 3265020 T DE3265020 T DE 3265020T DE 3265020 D1 DE3265020 D1 DE 3265020D1
Authority
DE
Germany
Prior art keywords
information transmission
digital information
enciphered digital
enciphered
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8282103059T
Other languages
German (de)
Inventor
Manfred Hanni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE8282103059T priority Critical patent/DE3265020D1/en
Application granted granted Critical
Publication of DE3265020D1 publication Critical patent/DE3265020D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE8282103059T 1981-04-13 1982-04-08 Apparatus for enciphered digital information transmission Expired DE3265020D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8282103059T DE3265020D1 (en) 1981-04-13 1982-04-08 Apparatus for enciphered digital information transmission

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3114848 1981-04-13
DE19813150254 DE3150254A1 (en) 1981-04-13 1981-12-18 DEVICE FOR ENCRYPTED DIGITAL INFORMATION TRANSFER
DE8282103059T DE3265020D1 (en) 1981-04-13 1982-04-08 Apparatus for enciphered digital information transmission

Publications (1)

Publication Number Publication Date
DE3265020D1 true DE3265020D1 (en) 1985-09-05

Family

ID=25792659

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19813150254 Withdrawn DE3150254A1 (en) 1981-04-13 1981-12-18 DEVICE FOR ENCRYPTED DIGITAL INFORMATION TRANSFER
DE8282103059T Expired DE3265020D1 (en) 1981-04-13 1982-04-08 Apparatus for enciphered digital information transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19813150254 Withdrawn DE3150254A1 (en) 1981-04-13 1981-12-18 DEVICE FOR ENCRYPTED DIGITAL INFORMATION TRANSFER

Country Status (2)

Country Link
EP (1) EP0063332B1 (en)
DE (2) DE3150254A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123168C1 (en) * 1981-06-11 1982-11-04 Siemens AG, 1000 Berlin und 8000 München Key transfer procedure
DE3439120A1 (en) * 1984-10-25 1986-05-07 Philips Kommunikations Industrie AG, 8500 Nürnberg Method for identifying a subscriber station of a telecommunications network
DE3518462A1 (en) * 1985-05-23 1986-11-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart ENCRYPTED MESSAGE TRANSMISSION SYSTEM
TR23067A (en) * 1985-07-12 1989-02-21 Siemens Ag A METHOD AND EQUIPMENT TO INCRETE THE ENCRYPED RADIO TRAFFIC
DE59004066D1 (en) * 1989-03-08 1994-02-17 Siemens Nixdorf Inf Syst Method for generating a random number for the encrypted transmission of data using a variable starting value.
SE464553B (en) * 1989-09-12 1991-05-06 Ericsson Telefon Ab L M METHOD OF SYNCHRONIZATION IN A MOBILE RADIO SYSTEM
US5335280A (en) * 1993-01-28 1994-08-02 Vobach Arnold R Random sum cipher system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH411983A (en) * 1963-10-18 1966-04-30 Gretag Ag Method for encrypting and decrypting pulse-shaped messages
DE1948096C1 (en) * 1969-09-23 1977-11-10 Siemens Ag Transmission system working with binary characters, in particular PCM system or system with pulse delta modulation
DE2659622C2 (en) * 1976-12-30 1979-01-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Radiotelephony system
EP0028273B1 (en) * 1979-11-03 1983-09-28 PATELHOLD Patentverwertungs- & Elektro-Holding AG Method and device for generating secret keys

Also Published As

Publication number Publication date
DE3150254A1 (en) 1983-07-14
EP0063332A1 (en) 1982-10-27
EP0063332B1 (en) 1985-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee